[see the vb.] † a. Compelling, constraining, etc. (obs.). b. Co-operating.

1

a. 1641.  Bp. Mountagu, Acts & Mon. (1642), 411. Fatall coacting Necessity swayeth all.

2

1843.  trans. Custine’s Empire of Czar, III. 53. The co-acting patience and address of man and beast.

3